CA2004222C - Easy open bag - Google Patents

Easy open bag

Info

Publication number: CA2004222C
Authority: CA; Canada
Prior art keywords: bag; walls; pleat; mouth; compartment
Prior art date: 1989-03-07
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002004222A

Other languages

English (en)

French (fr)

Other versions

CA2004222A1 (en

Inventor

James C. Miller

H. Gordon Dancy

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sonoco Products Co

Original Assignee

Sonoco Products Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-03-07

Filing date

1989-11-29

Publication date

1994-10-25

1989-03-07 Priority claimed from US07/321,824 external-priority patent/US4911560A/en

1989-11-29 Application filed by Sonoco Products Co filed Critical Sonoco Products Co

1990-09-07 Publication of CA2004222A1 publication Critical patent/CA2004222A1/en

1994-10-25 Application granted granted Critical

1994-10-25 Publication of CA2004222C publication Critical patent/CA2004222C/en

2009-11-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000926 separation method Methods 0.000 claims abstract description 20
239000002985 plastic film Substances 0.000 claims abstract description 14
229920006255 plastic film Polymers 0.000 claims abstract description 14
230000000977 initiatory effect Effects 0.000 claims abstract description 6
238000005192 partition Methods 0.000 claims description 8
230000000694 effects Effects 0.000 claims description 7
239000000969 carrier Substances 0.000 claims description 6
239000000463 material Substances 0.000 claims description 4
238000004519 manufacturing process Methods 0.000 claims description 3
230000004044 response Effects 0.000 claims description 3
238000005304 joining Methods 0.000 claims description 2
230000014759 maintenance of location Effects 0.000 claims description 2
238000000034 method Methods 0.000 description 22
241001270131 Agaricus moelleri Species 0.000 description 10
230000015572 biosynthetic process Effects 0.000 description 8
239000010408 film Substances 0.000 description 8
230000003068 static effect Effects 0.000 description 5
239000004033 plastic Substances 0.000 description 4
229920003023 plastic Polymers 0.000 description 4
230000000717 retained effect Effects 0.000 description 3
238000007789 sealing Methods 0.000 description 3
238000003466 welding Methods 0.000 description 3
230000009471 action Effects 0.000 description 2
230000032683 aging Effects 0.000 description 2
238000005520 cutting process Methods 0.000 description 2
230000009977 dual effect Effects 0.000 description 2
238000005096 rolling process Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
229920003002 synthetic resin Polymers 0.000 description 2
239000000057 synthetic resin Substances 0.000 description 2
235000004412 Jasminum grandiflorum Nutrition 0.000 description 1
240000005067 Jasminum grandiflorum Species 0.000 description 1
JCYZMTMYPZHVBF-UHFFFAOYSA-N Melarsoprol Chemical compound NC1=NC(N)=NC(NC=2C=CC(=CC=2)[As]2SC(CO)CS2)=N1 JCYZMTMYPZHVBF-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
239000000654 additive Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000005611 electricity Effects 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000004826 seaming Methods 0.000 description 1
238000003892 spreading Methods 0.000 description 1
230000007480 spreading Effects 0.000 description 1
238000003860 storage Methods 0.000 description 1
230000035882 stress Effects 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
239000010409 thin film Substances 0.000 description 1

Landscapes

Bag Frames (AREA)
Making Paper Articles (AREA)

CA002004222A 1989-03-07 1989-11-29 Easy open bag Expired - Fee Related CA2004222C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/321,824 US4911560A (en)	1988-04-08	1989-03-07	Easy open bag
US321,824		1989-03-07

Publications (2)

Publication Number	Publication Date
CA2004222A1 CA2004222A1 (en)	1990-09-07
CA2004222C true CA2004222C (en)	1994-10-25

Family

ID=23252185

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002004222A Expired - Fee Related CA2004222C (en)	1989-03-07	1989-11-29	Easy open bag

Country Status (2)

Country	Link
JP (1)	JPH02258559A (ja)
CA (1)	CA2004222C (ja)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3965069A (en) *	1974-12-20	1976-06-22	General Electric Company	Polyphenylene oxide is prepared using a mixture of manganese chelates as a catalyst
JPS5922793Y2 (ja) *	1980-06-30	1984-07-06	三菱電機株式会社	交流電源装置
EP0161098B1 (en) *	1984-05-02	1990-11-28	Mobil Oil Corporation	A thermoplastic bag, method and system for its manufacture

1989
- 1989-11-13 JP JP1292544A patent/JPH02258559A/ja active Pending
- 1989-11-29 CA CA002004222A patent/CA2004222C/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH02258559A (ja)	1990-10-19
CA2004222A1 (en)	1990-09-07

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Legal Events

Date	Code	Title	Description
1990-02-28	EEER	Examination request
1997-12-01	MKLA	Lapsed
2022-06-01	MKLA	Lapsed	Effective date: 19971201